Husqvarna FS 413 Manuale Utente



USE ONLY Blades (H) marked with a maximum operat-

ing speed greater than blade shaft speed of machine.

DO NOT operate machine without proper guard over 

Diamond Blade (H)!

DO NOT operate machine with Front Blade Guard (D) 

raised!

Blade (H) exposure MUST NOT exceed 80 degrees 

when operating machine!

Contact Surfaces of Blade Shaft Arbor (M), Inner Flange 

(I), and Outer Flange (J) MUST BE clean and free of 

foreign objects.

DO NOT not transport machine with Blade (H) installed.
DO NOT use conventional (wet) Diamond Blades (H) 

without water.
READ operation instructions supplied with Blade (H).
DO NOT install Blade (H) unless power source is in 

OFF (0) position, and dis-connected from power supply.

 

  Install Diamond Blade (H) at job site.  Do not  

 

  transport the machine with the Diamond Blade  

 

  (H) installed.

. Open Front Cover (V). 
. Set Engine Start Switch (DD) to OFF (“0”) position. 
. Raise Diamond Blade (H) to highest position by turning 

Blade Depth Control (EE) Counter-Clockwise.
. Use mm Wrench (U) located in Tool Compartment 

(BB), to loosen and remove four () M8 bolts that attach 

Blade Guard Latch Plate (F).  Temporarily remove Blade 

Guard Latch Plate (F).
. Raise Blade Guard Front (D).
. Using the mm Blade Shaft Wrench (T), loosen and 

remove the Blade Shaft Nut (L) that secures the Outer 

Flange (J) in position.

Blade Shaft Nut (L) on right hand side of machine has 

left hand threads.  To loosen, turn clockwise.
Blade Shaft Nut (L)(not shown) on left hand side of 

machine has right hand threads.  To loosen, turn coun-

ter-clockwise.

Blade Shaft Nut (L) on right hand side of machine has 

left hand threads.  To tighten, turn counter-clockwise.  

Torque to  N•m ( lb-ft) - minimum.
Blade Shaft Nut (L)(not shown) on left hand side of 

machine has right hand threads.  To tighten, turn clock-

wise.  Torque to  N•m ( lb-ft) - minimum.

. Remove Outer Flange (J).
8. Check that Blade Shaft Arbor (M), Inner Flange (I), and 

Outer Flange (J) are clean and free of foreign objects.
9. Fit Diamond Blade (H) onto Blade Shaft Arbor (M).  Di-

rection of rotation is shown by arrows on Diamond Blade 

(H) and Blade Guard Front (D).  See diagram at right.
0. Install Outer Flange (J) onto Blade Shaft Arbor (M). 

Make sure that Locking Pin (K) passes through Diamond 

Blade (H) and into Inner Flange (I).
. Rotate Outer Flange (J) and Diamond Blade (H) in op-

posite direction of blade rotation to remove backlash.
. Install Blade Shaft Nut (L).  Tighten using mm Blade 

Shaft Wrench (T).

. Lower Blade Guard Front (D).
. Re-install and tighten Blade Guard Latch Plate (F).